MailWit vs Duet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MailWit
This app uses AI to transform your emails into actionable items like smart cards, tasks, and organized projects. It provides quick summaries, extracts key information, and helps you manage your inbox by prioritizing urgent items. Travel and order details are automatically organized for easy tracking.
- AI-powered email summaries
- Smart cards for travel and orders
- Task extraction from emails
- Automated project grouping
- Inbox triage by urgency
- On-device AI processing
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MailWit turns your emails into things you can actually use: smart cards, tasks, summaries and projects. Instead of digging through long messages and cluttered threads, MailWit reads your inbox with AI and gives you the key information at a glance. YOUR EMAILS, ORGANIZED FOR YOU • Smart cards for flights, hotels, restaurant reservations, orders, tickets and appointments • Summaries you can read in seconds • Tasks extracted from what each email asks you to do • SmartProjects that group related emails, tasks and events automatically • A Today view and an Upcoming calendar with everything that is coming up KNOW WHAT MATTERS FIRST Triage sorts your inbox into Urgent, Can wait and Disposable, and moves an email up as its deadline gets closer. TRAVEL AND ORDERS ON AUTOPILOT See your flights and gates, scan your boarding pass, add hotels, reservations and tickets to Apple Wallet, and follow every order from purchase to delivery in one timeline. ASK MAILWIT Ask "What's on for today?" and get an answer built from your own mail. Ask MailWit runs on-device with Apple Intelligence (requires a compatible iPhone, such as iPhone 15 Pro or later). PRIVACY MailWit doesn't store your email bodies or attachments after processing. AI processing has zero retention, and your content isn't used to train general models. You can disconnect your account from Settings at any time. YOUR ACCOUNTS Connect Gmail and Outlook accounts and switch between them or see them together. MAILWIT PRO MailWit is free to use as an email manager. MailWit Pro unlocks the AI features: $4.99 per month or $49.99 per year, with a 3-day free trial. Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. You can manage or cancel it in your Apple ID account settings. Terms of Use (EULA): https://mailwitapp.com/terms Privacy Policy: https://mailwitapp.com/privacy
Duet
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Read closed. Think open. Duet is a PDF reader for people who need to make sense of what they read. Highlight a passage and it becomes a card on a Canvas beside the page. Group your cards, connect them, add notes and questions, and work out what you think. Leave and come back later, and you're on the line you left. Now on iPhone, iPad and iPhone Duo. FREE TO START Your first two PDFs are free, each with its Canvas, Apple Pencil, private AI and the iPhone Duo layouts. No trial clock and no account. DUET PRO One purchase unlocks: • Unlimited PDFs, each with its own Canvas • All six themes • Home Screen and Lock Screen widgets Pay once and keep it. No subscription. Pro works on every iPhone, iPad and iPhone Duo signed in to the same Apple Account. THE CANVAS Every highlight arrives as a card, linked to its page. On the Canvas you can: • Clip passages straight from your PDF • Add sticky notes and text • Group and connect ideas with shapes and arrows • Lay out numbers in tables • Add photos from your library • Draw with your finger, or with Apple Pencil on iPad • Record voice notes, transcribed on your device so you can search them PRIVATE AI Ask about a passage, a card or a group of cards, and pin the answer to your Canvas. Answers come from your document and show the pages they came from. Duet uses Apple Intelligence on your device, so it works without internet, even on a flight, and your document stays with you. For bigger questions across a whole report, you can let Duet use Apple's Private Cloud Compute in Settings. It's only used when you're online. AI features need a device that supports Apple Intelligence. ON IPHONE DUO Read with the phone closed. Open it, and the page and its Canvas sit side by side. Half-folded like a book or flat on a table, the layout changes and every feature stays. Close it and you're back on the line you left. ON IPAD AND IPHONE iPad gives the Canvas the most room. Write and draw with Apple Pencil, and use Scribble to turn handwriting into text. On iPhone, the page and its Canvas are one tap apart. On iPad and iPhone Duo, open two reports side by side in Split View. WIDGETS (DUET PRO) For your Home Screen and Lock Screen: • Continue Reading opens the line you left. The larger sizes show your latest highlights too. • Recents shows your latest documents. • Latest Highlights shows recent passages from all your PDFs. SIX THEMES Ink & Paper is free. Studio Green, Studio Black, Tapestry, Cyanotype and Dawn come with Duet Pro. Each one changes the background, cards, highlight colour and app icon. YOUR LIBRARY Each PDF shows its page count and how many highlights you've made. Import from Files, Mail and Safari. Free to download. Duet Pro is a one-time in-app purchase. No subscription, no account, no ads. If anything's unclear, or something isn't working, get in touch: deepanshi@consciousengines.com Privacy Policy: https://duetreader.app/privacy Terms of Use: https://duetreader.app/terms
Screenshots
Verdict
The clearest difference is device support: MailWit at 4 against Duet's 2. MailWit also leads on iOS requirement (15.1 vs 27.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MailWit sells 2 in-app purchases, starting at $7.99 per month and Duet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
MailWit ships an update weekly, Duet every 10 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.
| Parameter | MailWit | Duet |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly — better | Every 10 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 27.0 |
| Further details — not scored | ||
| Size | 84 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Walking LLC | Conscious Engines |
In-app purchases
MailWit
- MailWit Pro3 Days trial$7.991 Month
- MailWit Pro Annual7 Days trial$79.991 Year
Duet
- Duet Pro Lifetime$9.99









